Battery electric cars are climate-friendly than any other drive alternative to conventional diesel and gasoline vehicles. This is not a groundbreaking knowledge for our faithful readers. Nevertheless, the topic of climate balance of different drives is repeatedly triggering passionate discussions, in which e-car opponents often argue with false allegations or obsolete data. Now confirmed another study by the Think Tank Agora Running Transportation that battery electric cars emit significantly less greenhouse gases over their entire lifecycle than cars with fuel cells or vehicles driving with current-based fuel – even if the coal flow content is included in the power supply.
Accordingly, a compact class vehicle with fuel cell and electrolytically produced hydrogen over its entire lifecycle after a driving power of 150.000 kilometers 75 percent more CO2 as a battery electrical car. The operation of a conventional diesel car with synthetic fuel causes greenhouse gas emissions, which are even about three times as high as that of a battery car. By contrast, the battery vehicle has compared with a diesel, which is driven by conventional fuel after 150.000 kilometers a climate advantage of 16 percent.
In the study made by the IFEU Institute for Energy and Environmental Research Heidelberg on behalf of Agora, both the emissions caused in vehicle production and disposal are taken into account as well as the usage-related emissions, which are essentially dependent on the driving performance. In order to ensure the greatest possible comparability, all current-based drive alternatives equally the German current mix has been based on the carbon current component; It was also assumed that the climate allowance of electricity supply for all users in Germany will continuously improve due to the planned expansion goals for renewable energies.
For the calculation of the climate impact of an equally investigated natural gas vehicle, the actual share of biomethane is based on the German natural gas network; He is less than one percent. The natural gas vehicle has according to the examination after 150.000 kilometers a climate advantage of 4 percent compared to the diesel, but cuts around 14 percent worse compared to the battery vehicle.
To make cars climate-friendly non-fossil energy sources are needed. The only non-fossil energy source that can be opened on a large scale is renewable stream; The potential contribution of advanced biofuels, on the other hand, decreases the study under eleven percent in total fuel consumption. The conversion of electricity into alternative energy standards, in hydrogen or in synthetic fuel, but costs a lot of energy. As long as hydrogen or synthetic fuel is not produced with completely emission-free electricity, this high power requirement alone in the climate balance for fuel cell vehicles and burners with synthetic fuel negative to beech.
“After a hesitation, the automotive industry finally recognized that the battery electric drive is the most effective and efficient technology when it comes to reducing the climate-damaging CO2 emissions of cars. It is now important to successfully make battery-electric vehicles on the market – to protect the climate and not to endanger the future of local manufacturers.”- Christian Hochfeld, director of Agora road turn
However, the use of synthetic fuel and hydrogen has the advantage of high ranges and short tank times and is therefore discussed mainly for long-distance traffic, it is called in the study. However, your climate balance itself remains worse even with exclusive motorway insert than that of the battery electrical vehicle – even if the battery vehicle has a larger battery and therefore causes more greenhouse gases in the manufacturing phase.
“With the battery electric drive there is a high-market technology to promote climate protection in traffic now,” says Christian Hochfeld, director of Agora road. On the other hand, the generation of large amounts of hydrogen or current-based fuel with regeneratively generated electricity is still in the child shoes. Hochfeld: “To believe, we have already had a choice between different climate-friendly alternatives to the diesel or gasoline engine is an illusion.”
Nevertheless, the battery electrical vehicle also has significant emissions as classful. So many that ambitious climate protection goals can not be achieved. Really climate-friendly they only drive when the electricity that drives them, also CO2-neutral was produced. Therefore, it is now also important to succeed in parallel with the market prevention battery electrical cars in the power sector to success.
The study entitled: “Climate balance of electricity-based drives and fuels” is available for download at Agora Runkewende.
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5 thoughts on “Further study confirms CO2 advantage of E cars – despite coal stream content”
Let’s assume that the potential mini contribution CO2 savings in Germany would only have any impact on global warming. The CO2 balance of an E-car over the entire lifecycle is slightly better than that of a diesel car. Especially when the electricity is still from renewable. In fact, E-cars built now do not come to the world without coal flow, at least most of them. The CO2 backpack drags these short-range vehicles a whole while with him. But that means nothing else, as amplified propagation of E-cars now worsen our CO2 impression adhoc, especially if still functioning cars are scrapped. The problem of worse performance, raw materials and environmental mallows, I also except eight, as well as the wrong investment sums necessary for the “energy transition”.
The Chinese rise from the promotion of battery cars. D rises to this dead horse.
What shoud that????
Studies are written for those who pay you. There are also completely different assessments!
It was also assumed that the climate allowance of electricity supply for all users in Germany will continuously improve due to the planned expansion goals for renewable energies.
So so. The study therefore raises claims about things that are in the future. Then let’s see if we got enough windmills placed. The place for this is scarce. And we all turn off the CO2 neutral akw. From 2021 will then give more CO2 emissions instead of less, because all coal power plants have to go to full performance.
How about it, as small vehicles as possible, lightweight witness, bike and bus u. Train to drive u. also these means of transport to beneficiaries? And incorporating the basic fee in the work current tariff to equate low consumption with consumption (per kW / st.)?
The life cycle of battery cars could be further improved when they are equipped with a smaller (and more environmentally friendly) firmly built-in battery, which is sufficient for the normal daily requirement (100 … 200 km) and does not always build larger batteries that are almost never exploited. For longer trips you could then loan (standardized) additional batteries on a (highway) petrol station lodge and return again towards the end of the journey.
Advantages are in addition to better life cycle assessment, the practically unlimited range without loading times and the lower purchase price. The additional accused at the gas stations / battery change stations could serve as buffer for the power supply network (and even co-financed).
Unfortunately, this opportunity is hardly seriously discussed, a study that includes such an alternative would, of course, would be even better ..